Home / 4,935.28-6,812.06-2,840.08

Finding the Fourth Proportional to 4,935.28, 6,812.06 and 2,840.08

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Solution

The fourth proportional to 4,935.28, 6,812.06 and 2,840.08 is: 3,920.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.28 : 6,812.06 = 2,840.08 : x
  2. Step 2: Convert to fraction form
    4,935.28/6,812.06 = 2,840.08/x
  3. Step 3: Cross multiply
    4,935.28x = 6,812.06 × 2,840.08
  4. Step 4: Simplify right side
    4,935.28x = 19,346,795.36
  5. Step 5: Solve for x
    x = 19,346,795.36/4,935.28
  6. Step 6: Final answer
    x = 3,920.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.